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authorH Hartley Sweeten <hartleys@visionengravers.com>2012-09-05 18:36:21 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-05 20:03:54 -0700
commit2e3d3cf5c7d6c69d6940054645bc2d3d575ab916 (patch)
tree64a560cb9a3d84ad0e5c0ba2259f515779cdc8f9
parent9b7beb661377e4bc8e6fdd02342d94caf51491cd (diff)
staging: comedi: das1800: remove subdevice pointer math
Convert the comedi_subdevice access from pointer math to array access. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/staging/comedi/drivers/das1800.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c
index 25e7e56a376..5aca8fbdc24 100644
--- a/drivers/staging/comedi/drivers/das1800.c
+++ b/drivers/staging/comedi/drivers/das1800.c
@@ -656,7 +656,7 @@ static int das1800_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
/* the guts of the interrupt handler, that is shared with das1800_ai_poll */
static void das1800_ai_handler(struct comedi_device *dev)
{
- struct comedi_subdevice *s = dev->subdevices + 0; /* analog input subdevice */
+ struct comedi_subdevice *s = &dev->subdevices[0];
struct comedi_async *async = s->async;
struct comedi_cmd *cmd = &async->cmd;
unsigned int status = inb(dev->iobase + DAS1800_STATUS);
@@ -1653,7 +1653,7 @@ static int das1800_attach(struct comedi_device *dev,
return retval;
/* analog input subdevice */
- s = dev->subdevices + 0;
+ s = &dev->subdevices[0];
dev->read_subdev = s;
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE | SDF_DIFF | SDF_GROUND | SDF_CMD_READ;
@@ -1670,7 +1670,7 @@ static int das1800_attach(struct comedi_device *dev,
s->cancel = das1800_cancel;
/* analog out */
- s = dev->subdevices + 1;
+ s = &dev->subdevices[1];
if (thisboard->ao_ability == 1) {
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITABLE;
@@ -1683,7 +1683,7 @@ static int das1800_attach(struct comedi_device *dev,
}
/* di */
- s = dev->subdevices + 2;
+ s = &dev->subdevices[2];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->n_chan = 4;
@@ -1692,7 +1692,7 @@ static int das1800_attach(struct comedi_device *dev,
s->insn_bits = das1800_di_rbits;
/* do */
- s = dev->subdevices + 3;
+ s = &dev->subdevices[3];
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
s->n_chan = thisboard->do_n_chan;